#include<stdio.h>

void fun(int n);

static char str[100]={0};
static int i=0;
int main()
{
	int num;
	scanf("%d",&num);
	
	fun(num);
	printf("number is : \"%s\"\n",str);
}

void fun(int n)
{
	if(n == 0)
		return ;
	else
	{
		fun(n/10);
		str[i++] = n%10 + 0x30;
	}
}
